Direct comparison of the tau PET tracers [18F]flortaucipir and [18F]MK-6240 in human subjects. - Gogola, Alexandra; Minhas, Davneet S.; Villemagne, Victor L.; Cohen, Ann D.; Mountz, James M.; Pascoal, Tharick A.; Laymon, Charles M.; Scott Mason, N.; Ikonomovic, Milos D.; Mathis, Chester A.; Snitz, Beth E.; Lopez, Oscar L.; et al. (Journal of Nuclear Medicine, 2021)